/*
 * Copyright Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the authors tag. All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License version 2.
 * 
 * This particular file is subject to the "Classpath" exception as provided in the 
 * LICENSE file that accompanied this code.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT A
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License,
 * along with this distribution; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */
class Bug1651Hollow<Element>() satisfies {Element+} {
    iterator() => {}.iterator();
}

void bug1651func<Element>(Element+ elements) {
    print(elements.first);
}

shared void bug1651() {
    try {
        bug1651func<String>(*Bug1651Hollow<String>());
    } catch (AssertionError e) {
        assert(e.message.contains("Assertion failed: nonempty stream has no elements"));
    }
}